This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Human interface design is performed during: A) systems planning and selection. B) systems ... (Read 94 times)

jhjkgdfhk

  • Hero Member
  • *****
  • Posts: 569
on: Jul 7, 2018
Human interface design is performed during:
 
  A) systems planning and selection.
  B) systems analysis.
  C) systems design.
  D) systems implementation and operation.
  E) requirements structuring.

Question 2

The value of a key attribute in a relation must uniquely identify every row in the relation.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

potomatos

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 7, 2018
Answer to Question 1

C
Explanation: C) Both designing the human interface and designing databases are part of the systems design phase of SDLC.
CL

Answer to Question 2

TRUE
Explanation: This is because in a relation, each row must be unique. This primary key ensures that each row is unique.
CL


jhjkgdfhk

  • Member
  • Posts: 569
Reply 2 on: Jul 7, 2018
:D TYSM

ASDFGJLO

  • Member
  • Posts: 335
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Before the advent of vaccinations and antibiotics, infectious diseases such as cholera were the scou Before the advent of vaccinations and antibiotics, infectious diseases such as cholera were the scou
Masamichi Udagawa and Sigi Moeslinger, Antenna Design, Knoll Toboggan Chair. Masamichi Udagawa and Sigi Moeslinger, Antenna Design, Knoll Toboggan Chair.
On the Flexible Item Selection Task (FIST) children are presented with three cards On the Flexible Item Selection Task (FIST) children are presented with three cards
Organ systems affected by cystic fibrosis Organ systems affected by cystic fibrosis
A human mitotic chromosome preparation processed A human mitotic chromosome preparation processed
Video: Ear Virtual Tour Animation

For a complete list of videos, visit our video library